View Full Version : Colt 10.3 GP
Just wondering what the gp size is on the Colt 10.3 barrel? I've seen from .071 to .093
Thanks Scott
http://www.dtic.mil/ndia/2003smallarms/john.ppt
http://www.dtic.mil/ndia/2003smallarms/john.ppt
I saw that before, and thought that was for the cut down barrel from 14.5 to 10.3. But if it the same thank you.
I don't think that'd make a difference but I'm not 100% on that. I've understood it to be 0.070-0.071. I have a 10.3" Colt but I've never pulled the FSB to confirm.
Only a correctly made Colt 10.3" barrel or upper will have the Crane .071 gas port.
The way I read it a factory Colt 10.3 should be .071, thank you.
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